Scientific Method

The person in the phone booth is calling 911.

• Observation (O)

• Inference (I)

Two cars are in an accident.

• Observation (O)

• Inference (I)

Two men on the sidewalk are the owners of the cars.

• Observation (O)

• Inference (I)

Many ways in which scientists study the natural world and propose explanations based on evidence they gather

• scientific inquiry

• dependent variable

• scientific law

• hypothesis

Tags

NGSS.MS-LS1-1

the group without an independent variable to compare the one item that is being tested

• experimental group

• scientific theory

• control group

• Hypothesis

variable that is tested or manipulated

• Independent variable

• dependent variable

• controlled variable

An observation that deals with a number or amount

• Qualitative observation

• Quantitative observation

A possible answer to a scientific question; educated guess

• experimental group

• scientific law

• controlled group

• hypothesis

the group receiving the independent variable

• experimental group

• controlled group

data; this is the variable that gets measured

• experimental group

• independent variable

• dependent variable

Tags

NGSS.MS-PS2-2